COMP Cams CL12-232-3 Cam and Lifter Kit (CS XM 256H-12) Good for inboard/outboard pleasure boat, skiing and good economy. 1,000-5,000 RPM Operating Range 212/218 Duration at .050". 112 Degree Lobe Separation Angle. 0.447"/0.462" Valve Lift CL Kits include a camshaft, a set of lifters, instructions and assembly lubricant. Works against restrictive exhaust systems, while the extremely wide powerband helps get boats on plane and make maximum horsepower. Intended for applications where low idle speeds are required, while enhanced power production helps maintain top-end speed for longer distances. Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer. Made in USA